121071-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121071-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,7 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121071-90:
(8*1)+(7*2)+(6*1)+(5*0)+(4*7)+(3*1)+(2*9)+(1*0)=77
77 % 10 = 7
So 121071-90-7 is a valid CAS Registry Number.
InChI:InChI=1/C36H36INO12/c1-15-31(42)21(38-25(41)10-8-17-7-9-22(40)20(37)11-17)12-26(49-15)50-24-14-36(47,16(2)39)13-19-28(24)35(46)30-29(33(19)44)32(43)18-5-4-6-23(48-3)27(18)34(30)45/h4-7,9,11,15,21,24,26,31,40,42,44,46-47H,8,10,12-14H2,1-3H3,(H,38,41)